Home / 118,518.38-177,777.58-47,473.28

Finding the Fourth Proportional to 118,518.38, 177,777.58 and 47,473.28

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Solution

The fourth proportional to 118,518.38, 177,777.58 and 47,473.28 is: 71,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,518.38 : 177,777.58 = 47,473.28 : x
  2. Step 2: Convert to fraction form
    118,518.38/177,777.58 = 47,473.28/x
  3. Step 3: Cross multiply
    118,518.38x = 177,777.58 × 47,473.28
  4. Step 4: Simplify right side
    118,518.38x = 8,439,684,833.06
  5. Step 5: Solve for x
    x = 8,439,684,833.06/118,518.38
  6. Step 6: Final answer
    x = 71,209.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.